On-site protection method for an electric energy meter program
An on-site protection and energy meter technology, applied in the direction of program/content distribution protection, digital data protection, platform integrity maintenance, etc., can solve problems such as wrong program download version, incalculable loss, information leakage, etc., and achieve resource occupancy rate. Small, ensure legality, and ensure the effect of operating efficiency
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[0018] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0019] A method for on-site protection of an electric energy meter program, comprising the following steps:
[0020] Step 1. Embed the algorithm for calculating the license (the algorithm is the general term for the algorithm described in steps 2 to 3) into the host computer software and the energy meter program respectively, and package the algorithm into the executable software of the host computer and the energy meter respectively. Library Functions.
[0021] Step 2, the electric energy meter obtains several eigenvalues related to the program compilation file. In this embodiment, the data of the 4 eigenvalues relevant to the program compilation file obtained by the electric energy meter are stored in Verify_Addr (Verify_Addr is a kind of calculation CodeID required The storage location of the eigenvalue data belongs to the local variables speci...
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